easter decoration

using System;

namespace exampreparation
{
    class exam
    {
        static void Main(string[] args)
        {
            int clients = int.Parse(Console.ReadLine());
            double sum = 0.0;

            for (int i = 0; i < clients; i++)
            {
                double price = 0.0;
                int item = 0;
                string command = Console.ReadLine();
                while (command != "Finish")
                {
                    if (command == "basket")
                    {
                        price += 1.50;
                        item++;
                    }
                    if (command == "wreath")
                    {
                        price += 3.80;
                        item++;
                    }
                    if (command == "chocolate bunny")
                    {
                        price += 7.0;
                        item++;
                    }


                    command = Console.ReadLine();
                }

                if (item % 2 == 0)
                {
                    price *= 0.80;
                }

                Console.WriteLine($"You purchased {item} items for {price:F2} leva.");
                sum += price;
            }

            double average = sum / clients;

            Console.WriteLine($"Average bill per client is: {average:f2} leva.");
        }
    }
}